{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x76523497564001786bebe738d7d2ae4c27da0c7318e43a77c5a7bd67563a204e",
    "signature": "0xbbb8bdf37786e115b1eb870ec0a879407c0cd5cca074ec76306ebcab762a21a41496e33f22fd41831601f81e75343811fda3380a3b13cd44dc208b4ab637a70a1c",
    "signer": "0xf3eC8D1463A23CdDd8e3137d4e971DAD05FB11ea",
    "userId": "451435291"
  }
}